20757360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6653}}^1$

素因数の和:6682

約数の個数: 80

約数和(自身を含む): 69308064

約数和(自身を除く): 48550704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6653, 13306, 19959, 26612, 33265, 39918, 53224, 66530, 79836, 86489, 99795, 106448, 133060, 159672, 172978, 199590, 259467, 266120, 319344, 345956, 399180, 432445, 518934, 532240, 691912, 798360, 864890, 1037868, 1297335, 1383824, 1596720, 1729780, 2075736, 2594670, 3459560, 4151472, 5189340, 6919120, 10378680, 20757360]

約数ペア:

[(1, 20757360), (2, 10378680), (3, 6919120), (4, 5189340), (5, 4151472), (6, 3459560), (8, 2594670), (10, 2075736), (12, 1729780), (13, 1596720), (15, 1383824), (16, 1297335), (20, 1037868), (24, 864890), (26, 798360), (30, 691912), (39, 532240), (40, 518934), (48, 432445), (52, 399180), (60, 345956), (65, 319344), (78, 266120), (80, 259467), (104, 199590), (120, 172978), (130, 159672), (156, 133060), (195, 106448), (208, 99795), (240, 86489), (260, 79836), (312, 66530), (390, 53224), (520, 39918), (624, 33265), (780, 26612), (1040, 19959), (1560, 13306), (3120, 6653)]